By right of conquest

Magic is all about intent, but sometimes ritual carries its own message. After Voldemort's killing curse rebounds on him, Harry picks up Voldemort's yew and phoenix feather wand - and ends up
inheriting everything Tom Riddle owns, by right of conquest.

Canon compliant - AU to epilogue

As always, thanks to help from Jeconais and to GardenGirl, a most pleasant beta.